A family business with a passion and dedication for the industry, Simoni Gems honors integrity, trust and dedication. We hold ourselves to the highest standards in order to develop long lasting business relationships with our fiercely loyal customers.


Simoni Gems established itself as a major supplier of fancy shaped diamonds. Initially, Simoni specialized in Marquise, Pear Shaped & Oval diamonds, carving out a unique niche in the marketplace as the largest wholesaler of Marquise's, Pear's & Oval's in the world. Simoni expanded on this success and now supplies Marquise's, pear shapes and ovals across the globe.


Simoni gems carries merchandise ranging from .05 pts to 2 cts. Our qualities range from VVS to promo I3 and colors from D to K colors. Along with non-certified loose goods, we carry a vast array of certified inventory available in GIA, IGI, and EGL-NY.


Every order is customized according to color, clarity, calibrated sizes and/or specific weight ranges. We provide customers with matched sets and customs layouts. We also provide overnight delivery across the United States.


We cater to various independent retailers all over the world as well as with major retailers of the industry currently we are experiencing tremendous growth in our unique jewelry department with an exciting new stud, pendant and solitaire fancy shape jewelry program.


With strategic locations around the world, Simoni has the wherewithal to supply your loose diamond and diamond jewelry needs no matter where on the globe your business resides.